package com.zhiyou100.pra;

public class TestStu {

    public static void main(String[] args) {

        Student stu = new Student();
        //外界通过set方法的调用保存或修改数据
        stu.setName("张三");
        stu.setNum("20181978426");
        stu.setScore(79.5);

    }

}
